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WorksheetsFINAL 1st period
Total questions: 143
Worksheet time: 36hrs 45mins
Equal _____ of the congruent circles subtend equal angles at the centers.
Segments
Radii
Arcs
Chords
The angle subtended by the diameter of a semi-circle is:
90
45
180
60
What is the relationship between a central angle and its arc?
The angle is half of the arc.
The arc is half of the angle.
The arc is smaller than the angle.
They are congruent.
Name the angle with one arc
< FIE
< EIR
< FIR
< RIE
Find AB - Hint: count the spaces on the number line
3
4
5
2
Use the picture to write the correct Segment Addition statement.
AB + BC = AC
BC + BA = BC
BA + AC = BC
AB + BC = AC
Find BD - Hint: count the spaces on the number line
3
4
5
2
Find the length of DE
58
6
36
61
Set up the problem so that you can solve for X.
sin X = 41/28
tan X = 41/28
cos X = 28/41
sin X = 28/41
Solve for the missing angle
50.5 degrees
12.7 degrees
36.9 degrees
72.2 degrees
Solve for x. Round to the nearest tenth.
15.3
16.6
24.1
24.3
A rectangular field is 50 yards wide and 100 yards long. Ethan walks diagonally across the field. How far does he walk?
111.8 yards
115 yards
127.3 yards
119 yards
What is BD?
Chord
Radius
Secant
Tangent
What is AF?
Chord
Radius
Secant
Tangent
What is A?
Point of Tangency
Radius
Circle
Tangent
What is H?
Point of Tangency
Radius
Circle
Tangent
What is HA?
Point of Tangency
Radius
Circle
Tangent
What is BJ?
Secant
Radius
Chord
Tangent
What is DG?
Secant
Radius
Chord
Tangent
What is arc HF?
major arc
Radius
semicircle
minor arc
What is arc DF?
major arc
Radius
semicircle
minor arc
What is arc HCG?
major arc
Radius
semicircle
minor arc
Which congruency statement can be written for the triangles pictured?
ΔACB≅ΔABD
ΔBAC≅ΔBAD
ΔCAB≅ΔDBA
ΔADB≅ΔBCA
Which triangle congruence theorem can be used to prove the triangles are congruent?
SSS
SAS
ASA
HL
Use the congruency statement to answer the following:
∠H
∠I
∠G
not congruent to another angle
which is true?
Determine which congruency theorem proves the triangles congruent.
SAS
SSS
Neither
Which congruency statement can be written for the triangles pictured?
ΔABC ≅ ΔEDC
ΔACB ≅ ΔEDC
ΔECD ≅ ΔCAB
Which triangle congruence theorem can be used to prove the triangles are congruent?
SAS
ASA
AAS
Not Possible
Which triangle congruence theorem can be used to prove the triangles are congruent?
SSS
SAS
ASA
NONE
Which triangle congruence theorem can be used to prove the triangles are congruent?
SSS
SAS
ASA
NONE
Which congruency statement can be written for the triangles pictured?
ΔLEO≅ΔOVE
ΔOEV≅ΔOLE
ΔOVL≅ΔOLV
ΔOLE≅ΔOVE
Which triangle congruence theorem can be used to prove the triangles are congruent?
SSS
SAS
ASA
AAS
What additional information is needed to prove the 2 triangles are congruent by the listed theorem?
MK =GI
∠GIH = ∠MKL
∠MLK=∠GHI
What additional information is needed to prove the 2 triangles are congruent by the listed theorem?
RT =XZ
∠RST = ∠XYZ
SR =YX
Tell whether the triangles are similar or not.
a
b
Are these two triangles similar? Which similarity criterion do you use to prove it?
Yes, AA
Yes, SAS
Yes, SSS
Not Similar
State if the triangles in each pair are similar. If so, state how you know they are similar.
Yes, AA Similarity
Yes, SSS Similarity
Yes, SAS Similarity
Not Similar
What are the coordinates of the center and the radius of the circle with equation (x - 4)2 + (y - 3)2 = 25 ?
Center (4, 3)
Radius = 5 units
Center (4, 3)
Radius = 25 units
Center (-4, -3)
Radius = 25 units
Center (-4, -3)
Radius = 5 units
Write the standard equation of the circle with the given center and radius; center (0, 0) and radius of 3.
x2 + y2 = 4
x2 + y2 = 81
x2 + y2 = 9
x2 + y2 = 3
What is the radius of the circle with this equation of (x - 5)² + (y + 7)² = 8?
4
8
4√2
2√2
What is the radius of the circle given by the equation (x - 7)2 + (y + 3)2 = 25?
3
5
10
25
Write the equation of the circle with center C( -5 , 8 ) and radius = 7
( x - 5 )2 + ( y + 8 )2 = 14
( x - 5 )2 + ( y - 8 )2 = 49
( x - 5 )2 + ( y + 8 )2 = 49
( x + 5 )2 + ( y - 8 )2 = 49
Which of the following is the equation of a circle with a center at (-1,3) and a radius of 4?
(x-1)2+(y+3)2=4
(x-1)2+(y+3)2=16
(x+1)2+(y-3)2=4
(x+1)2+(y-3)2=16
A flattened crop circle has a diameter of 300 feet. If this circle is represented graphically, with the center located at the coordinates (3,4), which equation represents the boundary of the crop circle?
x2+y2=90,000
(x-3)2+(y-4)2=22,500
(x+3)2+(y+4)2=22,500
(x-3)2+(y-4)2=90,000
Which circle has a center at (-3,-6) and passes through the point (-4,8)?
(x-3)2+(y-6)2=197
(x+3)2+(y+6)2=197
(x-3)2+(y-6)2=32
(x+3)2+(y+6)2=32
Which choice is the equation of a circle with center (-3,4) and passing through (-6,0)?
(x+3)2+(y-4)2=25
(x+3)2+(y-4)2=27
(x-3)2+(y+4)2=25
(x-3)2+(y+4)2=27
(x+7)2+(y-4)2=18
(x-7)2+(y+4)2=324
(x+7)2+(y-4)2=324
(x+7)2+(y-4)2=81
(x-7)2+(y+4)2=81
(x+2)2+(y+8)2=25
(x-2)2+(y-8)2=10
(x+2)2+(y+8)2=10
(x+2)2+(y+8)2=100
(x-2)2+(y-8)2=100
(x-3)2-(y+1)2=8
(x-3)2+(y+1)2=8
(x+3)2+(y-1)2=16
(x-3)2-(y+1)2=16
(x-3)2+(y+1)2=16
(x+5)2+(y+2)2=9
(x-2)2+(y-5)2=9
(x+2)2+(y+5)2=9
(x+2)2+(y+5)2=3
(x-2)2+(y-5)2=6
(x+6)2+(y-1)2=14
(x-6)2+(y+1)2=49
(x+6)2+(y-1)2=49
(x+6)2+(y-1)2=7
(x-6)2+(y+1)2=7
(x+4)2+(y+13)2=16
(x-4)2+(y-13)2=16
(x-4)2+(y-13)2=64
(x+4)2+(y+13)2=256
(x-4)2+(y-13)2=256
What is the equation of this circle?
(x - 2)2 + (y - 1)2 = 4
(x + 2)2+(y + 1)2=16
(x + 2)2 + (y - 1)2 = 4
(x + 2)2+(y - 1)2=16
Write the equation of the circle with center C( -5, 8 ) and radius = 7.
( x - 5 )2 + ( y + 8 )2 = 14
( x - 5 )2 + ( y - 8 )2 = 49
( x - 5 )2 + ( y + 8 )2 = 49
( x + 5 )2 + ( y - 8 )2 = 49
What is the equation of a circle with radius 4 and center (0, 8)?
x2 + (y-8)2 = 16
(x-8)2 + y2 = 4
x2 + (y-8)2 = 4
x2 + (y+8)2 = 16
What is the radius of the circle
(x+7)²+(y-2)²=144?
7
12
13
What is the radius of the circle with this equation of (x-5)²+(y+7)²=8?
4
8
4√2
2√2
In the equation (x+2)2+(y+3)2=49, the radius of the circle is...
14
98
7
49
Which of the following graphs represents this circle equation -- (x−4)2+(y+2)2=36
Which of the following graphs represents this circle equation -- x2 + (y−6)2 = 25
What are the coordinates of the center and the radius of the circle with the equation:
(x - 4)2 + (y - 3)2 = 25 ?
Center (-4,-3)
Radius = 25 units
Center (4,3)
Radius = 5 units
Center (4,3)
Radius = 25 units
Center (-4,-3)
Radius = 5 units
Circle A, with a radius of 5, is similar to Circle B, with a radius of 7
What are the coordinates of the center and the radius of the circle with equation (x - 4)2 + (y - 3)2 = 25 ?
Center (4, 3)
Radius = 5 units
Center (4, 3)
Radius = 25 units
Center (-4, -3)
Radius = 25 units
Center (-4, -3)
Radius = 5 units
